KANDAHAR, Afghanistan — A UH-60A Black Hawk helicopter pilot assigned to the Afghan national army at Kandahar Airfield, Afghanistan, communicates to one of his crew chiefs before a flight July 22, 2018. Col. David Zinn, commander of 2nd Infantry Brigade Combat Team, 4th Infantry Division, who also served as the deputy for Train Advise Assist Command-South, spoke to reporters at the Pentagon Jan. 30, 2019, about how Afghan security forces are taking the lead in many operations using improved capabilities. (Photo by Senior Airman Xavier Navarro)